Home / 5,580.78-8,371.14-1,685.04

Finding the Fourth Proportional to 5,580.78, 8,371.14 and 1,685.04

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Solution

The fourth proportional to 5,580.78, 8,371.14 and 1,685.04 is: 2,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.78 : 8,371.14 = 1,685.04 : x
  2. Step 2: Convert to fraction form
    5,580.78/8,371.14 = 1,685.04/x
  3. Step 3: Cross multiply
    5,580.78x = 8,371.14 × 1,685.04
  4. Step 4: Simplify right side
    5,580.78x = 14,105,705.75
  5. Step 5: Solve for x
    x = 14,105,705.75/5,580.78
  6. Step 6: Final answer
    x = 2,527.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.